.pipeline-container {
    position: relative;
  }
  
  .node {
    position: absolute;
    display: flex;
    align-items: center;
    padding: 8px;
    border: 1px solid #ccc;
    border-radius: 4px;
    background-color: #f0f0f0;
  }
  
  .arrow {
    margin: 0 10px;
    font-size: 20px;
  }
  
  .arrow-container {
    position: absolute;
  }
  
  .child-node {
    margin-left: 20px;
    margin-top: 10px;
  }
  